Methods of Preparation of H2O2 ?
Answers (2)
19th Mar, 2020
Hello Student ,
H2O2 or oxygenated water can be prepared in the following ways : -
- Merk's Method - Na2O2 + H2SO4(Ice Cold, 20%) = Na2SO4 + H2O2
- Laboratory Method - 3[BaO2.8H2O] + 2H3PO4 = Ba3(PO4)2 + 3H2O2 + 24H2O
- Electrolysis of Cold 50% H2SO4
- Other - BaO2.8H2O + H2O + CO2 = BaCO3 + H2O2 + 8H2O
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18th Mar, 2020
Hydrogen peroxide is manufactured by the electrolysis of a cold 50% solutions of H2SO4 in an electrolytic cell using platinum as anode and graphite as cathode. There are other method too to prepare this like:
By the action of carbon dioxide or carbonic acid
By the action of dilute sulphuric acid
From sodium peroxide
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